B33132212112331323223313211232333132313331322331333133313331311212111113332221   >>    B3313221211233132322331321123233313231333132233133313331333131121211111333222   <<    B33132212112331323223313211232333132313331322331333133313331311212111113332223   >>      B33132212112331323223313211232333132313331322331333133313331311212111113332222   >>